Make: Audi Remove

Lightness is a highly sought-after attribute in a race car. Even when adding complex, often heavy systems like hybrid drive and large, powerful engines, there's a focus on saving weight. That's usually done through carbon fiber these days.

Audi appears to have perfected the art. The carbon fiber monocoque has become quite familiar over the years, with a sub-$100,000 production car due to use one in the very near future.

Audi has introduced the TT ultra quattro concept at Worthersee this week, a lightweight variant of the TT S quattro.

The concept weighs only 1,111 kg (2,449 lbs), making it 300 kg (661 lbs) lighter than the model is based on. It comes with a four-cylinder, 2.0-liter TFSI engine producing 310 HP (228 kW) and 295 lb-ft (400 Nm) of torque. With a power-to-weight ratio of 3

Promotion for the latest superhero movie goes beyond a name on a car.

Racing liveries can get pretty involved, especially when the sponsor pays big bucks. And nobody has more money to spend than Hollywood. When it comes to fantasy movies, the studios have been known not only to emblazon the racing cars themselves with the f